scores = []
for i in range(10):
    while True:
        try:
            score = float(input(f"请输入第 {i + 1} 个学生的成绩: "))
            if 0 <= score <= 100:
                scores.append(score)
                break
            else:
                print("输入的成绩应在 0 到 100 之间，请重新输入。")
        except ValueError:
            print("输入无效，请输入一个有效的数字。")


full_score_count = 0
first_full_score_index = -1

for index, score in enumerate(scores):
    if score == 100:
        if first_full_score_index == -1:
            first_full_score_index = index
        full_score_count = full_score_count + 1


if full_score_count == 0:
    print("10 名学生中没有考满分的。")
else:
    print(f"第一个满分学生在列表中的位置是: {first_full_score_index + 1}")
    print(f"满分学生的个数是: {full_score_count}")